Fluid Mechanics The unit of velocity head is ft-lbf/lb ft-lbf/sec ft-lb/ft³ ft-lb/sec ft-lbf/lb ft-lbf/sec ft-lb/ft³ ft-lb/sec ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Priming of a centrifugal pump is done to Develop effective pressure rise by the pump None of these Increase the mass flow rate of fluid Avoid chances of separation inside the impeller Develop effective pressure rise by the pump None of these Increase the mass flow rate of fluid Avoid chances of separation inside the impeller ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 None of these Decreases as V² Decreases linearly with V Increases linearly with V None of these Decreases as V² Decreases linearly with V Increases linearly with V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases. NPSH required Head of the liquid pumped All of these BHP required by the pump NPSH required Head of the liquid pumped All of these BHP required by the pump ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Path followed by water jet issuing from the bottom of a water tank will be a Zig-zag path (which is geometrically undefined) Hyperbola Horizontal straight line Parabola (vertex being at the opening) Zig-zag path (which is geometrically undefined) Hyperbola Horizontal straight line Parabola (vertex being at the opening) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is Zero in both the tubes Greater in 0.5 mm dia tube Same in both the tubes Greater in 1 mm dia tube Zero in both the tubes Greater in 0.5 mm dia tube Same in both the tubes Greater in 1 mm dia tube ANSWER DOWNLOAD EXAMIANS APP
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